Do it yourself
Frequently asked questions about cars and motorcycles
Car tutorial (Do it yourself) Motorcycle tutorial (Do it yourself) Frequently Asked Questions

How to Replace the Key Battery in the Hyundai Sonata

Model: Hyundai Sonata LF - Years 2015-2019
Part: Key

If you have a Hyundai Sonata (2015-2019) and want to replace the battery inside the car key yourself, follow these simple steps. First, take the key and press the metal button at the top of the cover to release the emergency key from the side of the cover. Next, remove the rear cover with your hands and take out the exhausted button battery. Finally, insert the new one (model CR2032, 3 Volt) and reattach the rear cover.

Updated on 26 July 2026 by ScegliAuto

Video tutorial

Related tutorials

How to Replace the Key Battery of a Hyundai Sonata
How to Replace the Key Battery of a Hyundai Sonata
Hyundai Sonata (2015-2019 / LF) If the smart key for your Hyundai Sonata has suddenly stopped working, it is very likely that the battery inside is completely flat and needs replaci…
How to replace the key battery on the Hyundai Sonata 2013
How to replace the key battery on the Hyundai Sonata 2013
Hyundai Sonata (2010-2015 / YF, MK 6) After several months or years of use, your 2013 Hyundai Sonata's smart key may suddenly stop working due to a dead battery. In this case, simply repl…
How to Replace the Remote Key Battery of the Hyundai Sonata
How to Replace the Remote Key Battery of the Hyundai Sonata
Hyundai Sonata (2010-2015 / YF, MK 6) The instructions in this guide will allow you to replace the battery of the remote key for the Hyundai Sonata. First, take your remote and remove the…

Other guides you may be interested in

How to Reset the Tyre Pressure Light on the Opel Grandland X

While driving, if you notice the tyre pressure warning light coming on, first check the actual inflation pressure of the tyres and, if necessary, restore the pressures recommended by the manufacturer. After restoring the correct pressures, you need to reset the warning light that has illuminated on the instrument cluster. To do this, locate the reset button on the lower central console. Press this button and hold it down for at least 3 seconds, after which the low pressure indication will turn off.

Watch the video!


by ScegliAuto

More videos